BirdAnalyst
Species · BCR 9 · BBS 2025 Release · 1966–2024

Snowy Egret In Great Basin

All regionsGreat BasinWetland birds

Snowy Egret in Great Basin has risen sharply: up 59% on the route-weighted index since 1970.

+59%Since 1970
34Routes In Region
55Years

Notable Signals

long arc increasecomputed index

Snowy Egret has risen sharply in Great Basin: up 59% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Snowy Egret in Great Basin is projected to stay roughly flat through 2028, near 0.28 (95% range 0.00–0.75). A 5-year backtest shows a typical error of ±227%, with 100% of held-out values landing inside the 95% band.

-7%Change by 2028
0.28Projected 2028 index
0.00–0.7595% range
±227%Backtest error
19682028
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20240.280.000.75
20250.280.000.75
20260.280.000.75
20270.280.000.75
20280.280.000.75

Routes In Great Basin

Routes recording Snowy Egret in Great Basin.
Bear RiverUTAH402023
DeltaUTAH182005
DorrisCALIFORNIA132019
Ruby ValleyNEVADA51999
FallonNEVADA52018
Carson RiverNEVADA52005
PrincetonOREGON51979
Ruby Valley 2NEVADA32019
Fish LakeOREGON31994
Malheur NwrOREGON31989
Crowley LakeCALIFORNIA22019
Clear Lk ResCALIFORNIA21984
HenryIDAHO21979
Blackft ResIDAHO22001
GardnervilleNEVADA22004
WillisNEVADA22007
Oak CityUTAH22004
Stock ResUTAH21995
NubieberCALIFORNIA11989
Honey LakeCALIFORNIA12022
SpringfieldIDAHO11997
Mud LakeIDAHO11994
PrestonIDAHO12007
MidasNEVADA11992
Toiyabe NfNEVADA12002

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.